7812. Propazine

Nomenclature

CAS number: 139-40-2
6-Chloro-N,N′-bis(1-methylethyl)-1,3,5-triazine-2,4-diamine; 2-chloro-4,6-bis(isopropylamino)-s-triazine; 2,4-bis(isopropylamino)-6-chloro-s-triazine; G-30028; Prozinex (Makhteshim-Agan).
C9H16ClN5; mol wt 229.71.
C 47.06%, H 7.02%, Cl 15.43%, N 30.49%.

Description and references

Selective pre-emergence herbicide. Prepn: Gysin, Knüsli, CH 342784; CH 342785 (both 1960 to Geigy). Toxicity study: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965).

Chemical structure

Properties

Crystals, mp 213°. Solubility in water at 20° = 8.6 ppm; difficultly sol in organic solvents. LD50 orally in rats: >5000 mg/kg (Bailey, White).

Use

Herbicide.